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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-17 10:08:02 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-17 10:08:02 +0000 |
commit | 117a5b72585bad9dbfa20a33d08391c384e78a28 (patch) | |
tree | 890fc8b9ba01083cd4bc2cfe4bebcc7d8cd06391 | |
parent | fd0bec96a17af88e937f9b6dc756f99c85c1b66c (diff) | |
download | ruby-117a5b72585bad9dbfa20a33d08391c384e78a28.tar.gz |
vm.c: check stack
* vm.c (invoke_iseq_block_from_c): check stack overflow before
pushing arguments.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58004 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | vm.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -992,10 +992,12 @@ invoke_iseq_block_from_c(rb_thread_t *th, const struct rb_captured_block *captur const rb_iseq_t *iseq = rb_iseq_check(captured->code.iseq); int i, opt_pc; VALUE type = is_lambda ? VM_FRAME_MAGIC_LAMBDA : VM_FRAME_MAGIC_BLOCK; - VALUE *sp = th->cfp->sp; + rb_control_frame_t *cfp = th->cfp; + VALUE *sp = cfp->sp; const rb_callable_method_entry_t *me = th->passed_bmethod_me; th->passed_bmethod_me = NULL; + CHECK_VM_STACK_OVERFLOW(cfp, argc); for (i=0; i<argc; i++) { sp[i] = argv[i]; } |